python 2 와 3 공존하기
TRANSCRIPT
$ pip --version pip 9.0.1 from /Users/tkim/.pyenv/versions/2.7.13/lib/python2.7/site-packages (python 2.7)
$ python2.7 -m pip --versionpip 9.0.1 from /Users/tkim/.pyenv/versions/2.7.13/lib/python2.7/site-packages (python 2.7)
$ pip3.5 --version # 이미 alias가 만들어져 있을 수 있음pip 9.0.1 from /Users/tkim/.pyenv/versions/3.5.2/lib/python3.5/site-packages (python 3.5)
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